diff --git a/test/tests/processor.test.ts b/test/tests/processor.test.ts
new file mode 100644
index 00000000..99b6c471
--- /dev/null
+++ b/test/tests/processor.test.ts
@@ -0,0 +1,62 @@
+import * as path from 'path';
+
+import Processor from '../../src/processor';
+import Server from '../../src/constants/server';
+import Filesystem from '../../src/filesystem';
+import IMod from '../../src/interfaces/iMod';
+
+describe('Processor.getWorkshopModPath()', () => {
+    test('Returns correct path', () => {
+        // @ts-ignore Private property
+        const old = Processor.serverPath;
+        // @ts-ignore Private property
+        Processor.serverPath = 'path';
+
+        expect(Processor.getWorkshopModPath(1)).toBe(
+            path.join(`path/steamapps/workshop/content/${Server.id}/1`)
+        );
+
+        // @ts-ignore Private property
+        Processor.serverPath = old;
+    });
+});
+
+describe('Processor.renameModsToLower()', () => {
+    test('Exits for Windows', () => {
+        const orgPlatform = process.platform;
+        Object.defineProperty(process, 'platform', {
+            value: 'win32',
+        });
+
+        const mock = jest.spyOn(Filesystem, 'renameContentsToLowercase');
+
+        Processor.renameModsToLower([{ id: 0 } as IMod]);
+
+        expect(mock).not.toHaveBeenCalled();
+
+        mock.mockRestore();
+        Object.defineProperty(process, 'platform', {
+            value: orgPlatform,
+        });
+    });
+
+    test('Calls Filesystem.renameContentsToLowercase for each mod', () => {
+        const orgPlatform = process.platform;
+        Object.defineProperty(process, 'platform', {
+            value: 'linux',
+        });
+
+        const mock = jest.spyOn(Filesystem, 'renameContentsToLowercase').mockReturnValue(undefined);
+        const dirMock = jest.spyOn(Processor, 'getWorkshopModPath').mockReturnValue('some/path');
+
+        Processor.renameModsToLower([{ id: 0 } as IMod]);
+
+        expect(mock).toHaveBeenCalled();
+
+        mock.mockRestore();
+        dirMock.mockRestore();
+        Object.defineProperty(process, 'platform', {
+            value: orgPlatform,
+        });
+    });
+});